https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=2vatq31ovbfrhm4bgspbbdrkd0&action=none&dz=1714332876&raum_id%5B0%5D=7492&show=belegung&start_date=2024-04-29&view=day30.05.2024 00:00:41